X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/94a87fe25c5ec021daf16edd64058ed6a37aba7d..88d981e8325ea91ca6ca21cdba3c73308fe84541:/lunaix-os/includes/lunaix/process.h diff --git a/lunaix-os/includes/lunaix/process.h b/lunaix-os/includes/lunaix/process.h index e429060..d35bfe7 100644 --- a/lunaix-os/includes/lunaix/process.h +++ b/lunaix-os/includes/lunaix/process.h @@ -12,19 +12,21 @@ // 虽然内核不是进程,但为了区分,这里使用Pid=-1来指代内核。这主要是方便物理页所有权检查。 #define KERNEL_PID -1 -#define PROC_STOPPED 0 -#define PROC_RUNNING 1 -#define PROC_TERMNAT 2 -#define PROC_DESTROY 4 -#define PROC_BLOCKED 8 -#define PROC_CREATED 16 +#define PS_STOPPED 0 +#define PS_RUNNING 1 +#define PS_TERMNAT 2 +#define PS_DESTROY 4 +#define PS_BLOCKED 8 +#define PS_CREATED 16 -#define PROC_TERMMASK 0x6 +#define PROC_TERMINATED(state) (state & 0x6) + +#define PROC_FINPAUSE 1 struct proc_mm { heap_context_t u_heap; - struct mm_region* regions; + struct mm_region regions; }; struct proc_sig @@ -38,31 +40,63 @@ struct proc_sig struct proc_info { + /* + Any change to *critical section*, including layout, size + must be reflected in kernel/asm/x86/interrupt.S to avoid + disaster! + */ + + /* ---- critical section start ---- */ + pid_t pid; struct proc_info* parent; isr_param intr_ctx; // size=76 uintptr_t ustack_top; + void* page_table; + + /* ---- critical section end ---- */ + struct llist_header siblings; struct llist_header children; + struct llist_header grp_member; + + struct + { + struct llist_header sleepers; + time_t wakeup_time; + time_t alarm_time; + } sleep; + struct proc_mm mm; - void* page_table; time_t created; uint8_t state; int32_t exit_code; int32_t k_status; sigset_t sig_pending; sigset_t sig_mask; + sigset_t sig_inprogress; + int flags; void* sig_handler[_SIG_NUM]; - struct lx_timer* timer; + pid_t pgid; }; extern volatile struct proc_info* __current; -pid_t -alloc_pid(); +/** + * @brief 分配并初始化一个进程控制块 + * + * @return struct proc_info* + */ +struct proc_info* +alloc_process(); +/** + * @brief 初始化进程用户空间 + * + * @param pcb + */ void -init_proc(struct proc_info* pcb); +init_proc_user_space(struct proc_info* pcb); /** * @brief 向系统发布一个进程,使其可以被调度。 @@ -70,7 +104,7 @@ init_proc(struct proc_info* pcb); * @param process */ void -push_process(struct proc_info* process); +commit_process(struct proc_info* process); pid_t destroy_process(pid_t pid);